A magnitude ML 1.2 earthquake occured in region: 6 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8240, 13.1600 at 11 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Arquata del Tronto | AP | 13 | 1178 | 7140 |
Visso | MC | 13 | 1107 | 8247 |
Ussita | MC | 14 | 444 | 8691 |
Montegallo | AP | 14 | 523 | 9214 |
Accumoli | RI | 16 | 667 | 9881 |
Montemonaco | AP | 16 | 604 | 10485 |
Cascia | PG | 17 | 3217 | 13702 |
Bolognola | MC | 20 | 142 | 13844 |
Cerreto di Spoleto | PG | 20 | 1075 | 14919 |
Montefortino | FM | 20 | 1178 | 16097 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-07-08 20:30:06 |
42.8243 | 13.1597 | 11 | 2021-07-08 20:38:37 |
Sala Sismica INGV-Roma | 92444751 |
Field | Value |
---|---|
Time (UTC) | 2021-07-08 20:30:06 ± 0.04 |
Latitude | 42.8243 ± 0.0018 |
Longitude | 13.1597 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 92444751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 348 |
Semi-minor axis of confidence ellipse (meter) | 185 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 67 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31746 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 92444751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-08 20:38:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HNZ. | 2021-07-08T20:30:27.00 | 3.0 | undecidable | manual | S | -0.28 | 0 | |||
IV.RM33.EHZ. | 2021-07-08T20:30:18.35 | 0.3 | undecidable | manual | S | 173 | 35.2425 | 50 | 0 | 72 |
IV.CSP1.EHZ. | 2021-07-08T20:30:16.98 | 0.3 | undecidable | manual | S | 7 | 29.9478 | 50 | 0.05 | 72 |
IV.CESI.HNZ. | 2021-07-08T20:30:16.76 | 0.3 | undecidable | manual | S | 314 | 28.8489 | 50 | 0.12 | 71 |
IV.LNSS.HHZ. | 2021-07-08T20:30:16.17 | 0.3 | undecidable | manual | S | 202 | 26.4513 | 50 | 0.18 | 70 |
IV.T1299.HNZ. | 2021-07-08T20:30:15.30 | 0.3 | undecidable | manual | S | 155 | 23.3544 | 50 | 0.13 | 71 |
IV.SMA1.EHZ. | 2021-07-08T20:30:15.76 | 0.3 | undecidable | manual | S | 146 | 25.8519 | 50 | -0.08 | 72 |
IV.FDMO.HHZ. | 2021-07-08T20:30:15.32 | 0.3 | undecidable | manual | S | 346 | 24.2535 | 50 | -0.1 | 72 |
IT.MTCL.HGZ. | 2021-07-08T20:30:14.74 | 0.3 | undecidable | manual | S | 325 | 22.8549 | 50 | -0.31 | 69 |
IV.MTRA.HNZ. | 2021-07-08T20:30:14.13 | 0.3 | undecidable | manual | S | 111 | 20.6682 | 117 | -0.32 | 69 |
IV.RM33.EHZ. | 2021-07-08T20:30:13.23 | 0.3 | undecidable | manual | P | 173 | 35.2425 | 50 | -0.07 | 71 |
IV.MMO1.EHZ. | 2021-07-08T20:30:12.96 | 0.3 | undecidable | manual | S | 58 | 15.9729 | 124 | -0.07 | 73 |
IV.CESI.HNZ. | 2021-07-08T20:30:12.30 | 0.3 | undecidable | manual | P | 314 | 28.8489 | 50 | 0 | 72 |
IV.CSP1.EHZ. | 2021-07-08T20:30:12.40 | 0.3 | undecidable | manual | P | 7 | 29.9478 | 50 | -0.07 | 71 |
IV.FDMO.HHZ. | 2021-07-08T20:30:11.68 | 0.3 | undecidable | manual | P | 346 | 24.2535 | 50 | 0.08 | 72 |
IV.LNSS.HHZ. | 2021-07-08T20:30:11.86 | 0.3 | undecidable | manual | P | 202 | 26.4513 | 50 | -0.07 | 72 |
IV.MTRA.HNZ. | 2021-07-08T20:30:11.26 | 0.3 | undecidable | manual | P | 111 | 20.6682 | 117 | 0.21 | 70 |
IV.T1299.HNZ. | 2021-07-08T20:30:11.57 | 0.3 | undecidable | manual | P | 155 | 23.3544 | 50 | 0.11 | 72 |
IV.SMA1.EHZ. | 2021-07-08T20:30:11.74 | 0.3 | undecidable | manual | P | 146 | 25.8519 | 50 | -0.1 | 71 |
IV.MC2.EHZ. | 2021-07-08T20:30:11.66 | 0.3 | undecidable | manual | S | 14 | 9.9789 | 137 | 0.22 | 72 |
IT.MTCL.HGZ. | 2021-07-08T20:30:11.28 | 0.3 | undecidable | manual | P | 325 | 22.8549 | 50 | -0.1 | 72 |
IV.MMO1.EHZ. | 2021-07-08T20:30:10.18 | 0.3 | undecidable | manual | P | 58 | 15.9729 | 124 | -0.04 | 74 |
IV.NRCA.HHZ. | 2021-07-08T20:30:10.00 | 0.3 | undecidable | manual | S | 285 | 3.7962 | 160 | -0.3 | 71 |
IV.MC2.EHZ. | 2021-07-08T20:30:09.58 | 0.1 | undecidable | manual | P | 14 | 9.9789 | 137 | 0.28 | 94 |
IV.NRCA.HHZ. | 2021-07-08T20:30:08.69 | 0.1 | undecidable | manual | P | 285 | 3.7962 | 160 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.5 | 0.00049 | 0.14 | AML | other | m | 2021-07-08T20:30:10.09 |
IV.NRCA.HHN. | ML:1.5 | 0.0005765 | 0.08 | AML | other | m | 2021-07-08T20:30:10.60 |
IV.RM33.EHN. | ML:0.6 | 0.000015793635 | 0.2176 | AML | other | m | 2021-07-08T20:30:19.72 |
IV.RM33.EHE. | ML:0.7 | 0.0000178732735 | 0.1408 | AML | other | m | 2021-07-08T20:30:18.68 |
IV.SMA1.EHE. | ML:0.6 | 0.00002235243 | 0 | AML | other | m | 2021-07-08T20:30:17.11 |
IV.SMA1.EHN. | ML:0.6 | 0.000019549319999999997 | 0.0256 | AML | other | m | 2021-07-08T20:30:16.86 |
IV.NRCA.HNE. | ML:1.4 | 0.00046462815 | 0.1408 | AML | other | m | 2021-07-08T20:30:10.08 |
IV.NRCA.HNN. | ML:1.5 | 0.0005412906499999999 | 0.0896 | AML | other | m | 2021-07-08T20:30:10.60 |
IV.CSP1.EHE. | ML:1.1 | 0.000058381 | 0.1408 | AML | other | m | 2021-07-08T20:30:17.23 |
IV.CSP1.EHN. | ML:1.3 | 0.00009796459 | 0.256 | AML | other | m | 2021-07-08T20:30:17.86 |